#import <Foundation/Foundation.h>
#import "NvsTimeline.h"
#import "NvsAssetPackageManager.h"
#import "NvsAVFileInfo.h"
#import "NvsVideoFrameRetriever.h"
#import "NvsVideoFrameReceiver.h"
#import "NvsCustomVideoFx.h"
#import "NvsCommonDef.h"
#import "NvsCaptureAnimatedSticker.h"
#import "NvsCaptureCompoundCaption.h"
#import "NvsCaptureCaption.h"
#import "NvsCaptureAudioFx.h"
#import "NvsCaptureSceneInfo.h"

类
protocol	<NvsStreamingContextDelegate>

protocol	<NvsImageGrabberDelegate>

class	NvsTemplateFootageInfo
	模板footage信息更多...

class	NvsStreamingContext
	流媒体上下文更多...

class	NvsCaptureDeviceCapability
	采集设备能力描述更多...

宏定义
录制视频配置

#define	NVS_RECORD_BITRATE @"bitrate"
	录制视频码率，类型：int，比如要设置3M码率，则传3000000 更多...

#define	NVS_RECORD_GOP_SIZE @"gopsize"
	录制视频GOP SIZE，类型：int，比如要设置gop size为15，则传15，默认值30 更多...

#define	NVS_RECORD_VIDEO_ENCODEC_NAME @"video encoder name"
	指定视频压缩格式，类型：string，目前支持hevc(h.265)，默认h.264 更多...

#define	NVS_RECORD_HDR_VIDEO_COLOR_TRANSFER @"encorder color transfer"

生成时间线的配置，以键值对的形式设置

#define	NVS_COMPILE_BITRATE @"bitrate"
	生成视频码率，类型：int，比如要设置3M码率，则传3000000 更多...

#define	NVS_COMPILE_GOP_SIZE @"gopsize"
	生成视频GOP SIZE，类型：int，比如要设置gop size为15，则传15，默认值30 更多...

#define	NVS_COMPILE_AUDIO_BITRATE @"audio bitrate"
	生成音频码率，类型：int，比如要设置128K码率，则传128000 更多...

#define	NVS_COMPILE_LOSSLESS_AUDIO @"lossless audio"
	是否生成无损音频，类型：bool，传true或者false 更多...

#define	NVS_COMPILE_OPTIMIZE_FOR_NETWORK_USE @"optimize-for-network-use"
	是否前置索引表，类型：bool，传true或者false 更多...

#define	NVS_COMPILE_VIDEO_ENCODEC_NAME @"video encoder name"
	指定视频压缩格式，类型：string，目前支持hevc(h.265)，默认h.264 更多...

#define	NVS_COMPILE_AUDIO_ENCODEC_NAME @"audio encoder name"
	指定音频压缩格式，类型：string，目前支持“mp3”，"amr-wb"，默认"aac" 更多...

#define	NVS_COMPILE_VIDEO_FPS @"fps"
	生成的帧速率，类型：NSData，比如设置NvsRational videoFps = {30, 1},[NSData dataWithBytes:&videoFps length:sizeof(NvsRational)] forKey:NVS_COMPILE_VIDEO_FPS] 更多...

#define	NVS_COMPILE_DONT_USE_VIDEO_TOOLBOX @"dont-use-video-toolbox"
	是否使用VideoToolBox，类型：bool，传true或者false 更多...

#define	NVS_COMPILE_HDR_VIDEO_COLOR_TRANSFER @"encorder color transfer"
	设置HDR视频输出的传输曲线，类型: string 默认值:"none", 可以支持"st2084"和"hlg"两种曲线更多...

#define	NVS_COMPILE_ENABLE_BREAKPOINT_CONTINUATION @"enable breakpoint continuation"
	设置是否开启断点续导更多...

#define	NVS_COMPILE_CACHE_FILE_PATH @"cache file path"
	断点续导缓存文件路径更多...

#define	NVS_COMPILE_CACHE_FILE_DURATION @"cache file duration"
	断点续导切片视频长度更多...

#define	NVS_COMPILE_SOFTWARE_ENCODER_CRF @"software encorder crf"
	软编码crf预设值，类型：int，最大是99，最小是1，值越小视频质量越好，默认是23 更多...

#define	NVS_COMPILE_SOFTWARE_ENCODER_CRF_BITRATE_MAX @"software encorder crf bitrate max"
	软编码crf模式bitrate max预设值，类型：int 更多...

#define	NVS_COMPILE_SOFTWARE_ENCODER_MODE @"software encorder mode"
	软编码模式，类型：String，包括“abr”、“crf”，默认值是crf 更多...

#define	NVS_COMPILE_CREATION_TIME @"creation time"
	设置媒体文件的创建时间,格式:"YYYY-MM-DDTHH:MM:SS"例如：2010-12-24T12:00:00(使用LocationTime) 更多...

#define	NVS_COMPILE_METADATADESCRIPTION @"metadata description"

枚举
enum	NvsStreamingContextFlag { NvsStreamingContextFlag_Support4KEdit = 1, NvsStreamingContextFlag_Support8KEdit = 1 << 2, NvsStreamingContextFlag_AsyncEngineState = 1 << 4, NvsStreamingContextFlag_Support16KEdit = 1 << 7, NvsStreamingContextFlag_EnableCaptionContextCacheLimit = 1 << 10, NvsStreamingContextFlag_DisableCapture = 1 << 11, NvsStreamingContextFlag_PlaybackDropFrameMode = 1 << 12, NvsStreamingContextFlag_NeedGifMotion = 1 << 13, NvsStreamingContextFlag_DisableHardwareAudioReader = 1 << 14, NvsStreamingContextFlag_InterruptStopForInternalStop = 1 << 18, NvsStreamingContextFlag_UseFixedDefaultCaptionContextResolution = 1 << 22 }
	流媒体上下文创建标志更多...

enum	NvsClearCacheFlag { NvsClearCacheFlag_StreamingEngine = 1, NvsClearCacheFlag_IconEngine = 2, NvsClearCacheFlag_WaveformEngine = 4, NvsClearCacheFlag_AVFileInfo = 8, NvsClearCacheFlag_CaptionFontInfo = 16 }
	清理缓存标志更多...

enum	NvsCompileVideoResolutionGrade { NvsCompileVideoResolutionGrade360 = 0, NvsCompileVideoResolutionGrade480, NvsCompileVideoResolutionGrade720, NvsCompileVideoResolutionGrade1080, NvsCompileVideoResolutionGrade2160, NvsCompileVideoResolutionGradeCustom = 256 }
	生成视频文件的分辨率高度级别(创建时间线(createTimeline)时指定视频的宽高和横纵比，根据输出的视频分辨率高度算出生成视频文件的宽度) 更多...

enum	NvsCompileVideoBitrateGrade { NvsCompileBitrateGradeLow = 0, NvsCompileBitrateGradeMedium, NvsCompileBitrateGradeHigh }
	生成视频文件的码率级别更多...

enum	NvsStreamingEngineCompileFlag { NvsStreamingEngineCompileFlag_None = 0, NvsStreamingEngineCompileFlag_DisableHardwareEncoder = 1, NvsStreamingEngineCompileFlag_OnlyVideo = 4, NvsStreamingEngineCompileFlag_OnlyAudio = 8, NvsStreamingEngineCompileFlag_BuddyHostVideoFrame = 32, NvsStreamingEngineCompileFlag_TruncateAudioStream = 128, NvsStreamingEngineCompileFlag_DisableAlignVideoSize = 256, NvsStreamingEngineCompileFlag_IgnoreTimelineVideoSize = 2048, NvsStreamingEngineCompileFlag_BuddyOriginHostVideoFrame = 8192, NvsStreamingEngineCompileFlag_VariableFrameRateEnable = 16384 }
	生成视频文件标志更多...

enum	NvsVideoPreviewSizeMode { NvsVideoPreviewSizeModeFullSize = 0, NvsVideoPreviewSizeModeLiveWindowSize }
	视频预览模式更多...

enum	NvsVideoCaptureResolutionGrade { NvsVideoCaptureResolutionGradeLow = 0, NvsVideoCaptureResolutionGradeMedium, NvsVideoCaptureResolutionGradeHigh, NvsVideoCaptureResolutionGradeSupperHigh, NvsVideoCaptureResolutionGradeExtremelyHigh }
	视频采集分辨率级别更多...

enum	NvsStreamingEngineState { NvsStreamingEngineState_Stopped = 0, NvsStreamingEngineState_CapturePreview, NvsStreamingEngineState_CaptureRecording, NvsStreamingEngineState_Playback, NvsStreamingEngineState_Seeking, NvsStreamingEngineState_Compile }
	流媒体引擎状态更多...

enum	NvsStreamingEngineCaptureFlag { NvsStreamingEngineCaptureFlag_GrabCapturedVideoFrame = 1, NvsStreamingEngineCaptureFlag_StrictPreviewVideoSize = 8, NvsStreamingEngineCaptureFlag_DontCaptureAudio = 16, NvsStreamingEngineCaptureFlag_CaptureBuddyHostVideoFrame = 32, NvsStreamingEngineCaptureFlag_IgnoreScreenOrientation = 64, NvsStreamingEngineCaptureFlag_AutoVideoStabilization = 128, NvsStreamingEngineCaptureFlag_FaceActionWithParticle = 256, NvsStreamingEngineCaptureFlag_LowPipelineSize = 512, NvsStreamingEngineCaptureFlag_DontAutomaticallyConfiguresApplicationAudioSession = 1024, NvsStreamingEngineCaptureFlag_DisableFlipOfFrontCamera = 2048, NvsStreamingEngineCaptureFlag_InputAspectRatioUsed = 4096, NvsStreamingEngineCaptureFlag_EnableTakePicture = 8192, NvsStreamingEngineCaptureFlag_EnableHDR = 1 << 16, NvsStreamingEngineCaptureFlag_DontConfigAudioSession = 1 << 17 }
	采集标志更多...

enum	BufferImageRotation { BufferImageRotation_0 = 0, BufferImageRotation_90 = 1, BufferImageRotation_180 = 2, BufferImageRotation_270 = 3 }
	输入buffer的图像旋转角度更多...

enum	VideoStabilizationFlag { VideoStabilizationFlag_Off = 0, VideoStabilizationFlag_Auto = 1, VideoStabilizationFlag_Standard = 2, VideoStabilizationFlag_Super = 3 }
	防抖动标志更多...

enum	NvsStreamingEngineRecordingFlag { NvsStreamingEngineRecordingFlag_VideoIntraFrameOnly = 2, NvsStreamingEngineRecordingFlag_OnlyRecordVideo = 16, NvsStreamingEngineRecordingFlag_IgnoreVideoRotation = 32, NvsStreamingEngineRecordingFlag_WithoutFxUseStreamingWriter = 256, NvsStreamingEngineRecordingFlag_FlipHorizontally = 512 }
	录制标志更多...

enum	NvsCameraFlashMode { NvsCameraFlashMode_FlashOff = 1, NvsCameraFlashMode_FlashOn = 2, NvsCameraFlashMode_FlashAuto = 4, NvsCameraFlashMode_Torch = 8 }
	闪光灯模式更多...

enum	NvsStreamingEngineSeekFlag { NvsStreamingEngineSeekFlag_ShowCaptionPoster = 2, NvsStreamingEngineSeekFlag_ShowAnimatedStickerPoster = 4, NvsStreamingEngineSeekFlag_BuddyHostVideoFrame = 16, NvsStreamingEngineSeekFlag_NotConnectToLivewindow = 128, NvsStreamingEngineSeekFlag_BuddyOriginHostVideoFrame = 256 }
	引擎定位标识更多...

enum	NvsStreamingEnginePlaybackFlag { NvsStreamingEnginePlaybackFlag_LowPipelineSize = 8, NvsStreamingEnginePlaybackFlag_DisableFixedPrerollTime = 16, NvsStreamingEnginePlaybackFlag_BuddyHostVideoFrame = 32, NvsStreamingEnginePlaybackFlag_AutoCacheAllCafFrames = 128, NvsStreamingEnginePlaybackFlag_SpeedCompMode = 512, NvsStreamingEnginePlaybackFlag_BuddyOriginHostVideoFrame = 2048, NvsStreamingEnginePlaybackFlag_VariableFrameRateEnable = 4096, NvsStreamingEnginePlaybackFlag_DisableDropFrameMode = 16384 }
	引擎播放标志更多...

enum	NvsStreamingEngineStopFlag { NvsStreamingEngineStopFlag_Async = 2 }
	停止引擎标志更多...

enum	NvsHumanDetectionFeatureFlag { NvsHumanDetectionFeature_FaceLandmark = 1, NvsHumanDetectionFeature_FaceAction = 2, NvsHumanDetectionFeature_AvatarExpression = 4, NvsHumanDetectionFeature_VideoMode = 8, NvsHumanDetectionFeature_ImageMode = 16, NvsHumanDetectionFeature_MultiThread = 32, NvsHumanDetectionFeature_SingleThread = 64, NvsHumanDetectionFeature_Extra = 128, NvsHumanDetectionFeature_Background = 256, NvsHumanDetectionFeature_HandLandmark = 512, NvsHumanDetectionFeature_HandAction = 1024, NvsHumanDetectionFeature_HandBone = 2048, NvsHumanDetectionFeature_EyeballLandmark = 4096, NvsHumanDetectionFeature_MultiDetect = 8192, NvsHumanDetectionFeature_SegmentationSky = 16384, NvsHumanDetectionFeature_SemiImageMode = 32768, NvsHumanDetectionFeature_HalfBody = 65536 }
	人体检测特征标志更多...

enum	NvsHumanDetectionDataTypeFlag { NvsHumanDetectionDataType_FakeFace = 0, NvsHumanDetectionDataType_Makeup, NvsHumanDetectionDataType_SkinColor, NvsHumanDetectionDataType_PE106, NvsHumanDetectionDataType_PE240, NvsHumanDetectionDataType_CustomAvatar, NvsHumanDetectionDataType_Makeup2 }
	人体检测数据包类型更多...

enum	NvsStreamingEngineHarwareErrorType { NvsStreamingEngineHarwareErrorType_Video_Encoder_Setup_Error = 0, NvsStreamingEngineHarwareErrorType_Video_Encoding_Error, NvsStreamingEngineHarwareErrorType_Video_Decoder_Setup_Error, NvsStreamingEngineHarwareErrorType_Video_Decoding_Error }
	硬件错误类型更多...

enum	NvsAVFileinfoExtraFlag { NvsAVFileinfoExtra_None = 0, NvsAVFileinfoExtra_AVPixelFormat }
	获取音视频信息时的特殊标识更多...

生成错误类型

enum	NvsStreamingEngineCompileErrorType { NvsStreamingEngineCompileErrorType_No_Error = 0, NvsStreamingEngineCompileErrorType_Cancelation = 1, NvsStreamingEngineCompileErrorType_Video_Encoder_Setup_Error = 2, NvsStreamingEngineCompileErrorType_Video_Encoding_Error = 3, NvsStreamingEngineCompileErrorType_Video_Decoding_Error = 4, NvsStreamingEngineCompileErrorType_Muxing_Error = 5 }

enum	NvsCreateTimelineTypeFlag { NvsCreateTimelineType_LongestDurationConsiderAllTracks = 1, NvsCreateTimelineType_SyncAudioVideoTransOnVideoTrack = 2, NvsCreateTimelineType_UseMipmap = 4, NvsCreateTimelineType_VariantImageSize = 8, NvsCreateTimelineType_DontAddDefaultVideoTransition = 16, NvsCreateTImelineType_Orphan = 128 }
	创建时间线标志更多...

HDR能力

enum	NvsHDRCapabilityFlag { NvsHDRCapabilityFlagSupportedByImporter = 1, NvsHDRCapabilityFlagSupportedByEditing = 2, NvsHDRCapabilityFlagSupportedByExporter = 4, NvsHDRCapabilityFlagSupportedByLivewindow = 8 }

播放错误类型
enum	NvsStreamingEnginePlaybackExceptionType { NvsStreamingEnginePlaybackExceptionType_MediaFileError = 0 }

enum	NvsDebugLevel { NvsDebugLevelNone = 0, NvsDebugLevelError, NvsDebugLevelWarning, NvsDebugLevelDebug, NvsDebugLevelMax }

宏定义说明

◆ NVS_COMPILE_AUDIO_BITRATE

#define NVS_COMPILE_AUDIO_BITRATE @"audio bitrate"

生成音频码率，类型：int，比如要设置128K码率，则传128000

◆ NVS_COMPILE_AUDIO_ENCODEC_NAME

#define NVS_COMPILE_AUDIO_ENCODEC_NAME @"audio encoder name"

指定音频压缩格式，类型：string，目前支持“mp3”，"amr-wb"，默认"aac"

◆ NVS_COMPILE_BITRATE

#define NVS_COMPILE_BITRATE @"bitrate"

生成视频码率，类型：int，比如要设置3M码率，则传3000000

◆ NVS_COMPILE_CACHE_FILE_DURATION

#define NVS_COMPILE_CACHE_FILE_DURATION @"cache file duration"

断点续导切片视频长度

◆ NVS_COMPILE_CACHE_FILE_PATH

#define NVS_COMPILE_CACHE_FILE_PATH @"cache file path"

断点续导缓存文件路径

◆ NVS_COMPILE_CREATION_TIME

#define NVS_COMPILE_CREATION_TIME @"creation time"

设置媒体文件的创建时间,格式:"YYYY-MM-DDTHH:MM:SS"例如：2010-12-24T12:00:00(使用LocationTime)

◆ NVS_COMPILE_DONT_USE_VIDEO_TOOLBOX

#define NVS_COMPILE_DONT_USE_VIDEO_TOOLBOX @"dont-use-video-toolbox"

是否使用VideoToolBox，类型：bool，传true或者false

◆ NVS_COMPILE_ENABLE_BREAKPOINT_CONTINUATION

#define NVS_COMPILE_ENABLE_BREAKPOINT_CONTINUATION @"enable breakpoint continuation"

设置是否开启断点续导

◆ NVS_COMPILE_GOP_SIZE

#define NVS_COMPILE_GOP_SIZE @"gopsize"

生成视频GOP SIZE，类型：int，比如要设置gop size为15，则传15，默认值30

◆ NVS_COMPILE_HDR_VIDEO_COLOR_TRANSFER

#define NVS_COMPILE_HDR_VIDEO_COLOR_TRANSFER @"encorder color transfer"

设置HDR视频输出的传输曲线，类型: string 默认值:"none", 可以支持"st2084"和"hlg"两种曲线

◆ NVS_COMPILE_LOSSLESS_AUDIO

#define NVS_COMPILE_LOSSLESS_AUDIO @"lossless audio"

是否生成无损音频，类型：bool，传true或者false

◆ NVS_COMPILE_METADATADESCRIPTION

#define NVS_COMPILE_METADATADESCRIPTION @"metadata description"

对应AVMetadataCommonKeyDescription，设置视频文件的metadata描述，不支持中文

◆ NVS_COMPILE_OPTIMIZE_FOR_NETWORK_USE

#define NVS_COMPILE_OPTIMIZE_FOR_NETWORK_USE @"optimize-for-network-use"

是否前置索引表，类型：bool，传true或者false

◆ NVS_COMPILE_SOFTWARE_ENCODER_CRF

#define NVS_COMPILE_SOFTWARE_ENCODER_CRF @"software encorder crf"

软编码crf预设值，类型：int，最大是99，最小是1，值越小视频质量越好，默认是23

◆ NVS_COMPILE_SOFTWARE_ENCODER_CRF_BITRATE_MAX

#define NVS_COMPILE_SOFTWARE_ENCODER_CRF_BITRATE_MAX @"software encorder crf bitrate max"

软编码crf模式bitrate max预设值，类型：int

◆ NVS_COMPILE_SOFTWARE_ENCODER_MODE

#define NVS_COMPILE_SOFTWARE_ENCODER_MODE @"software encorder mode"

软编码模式，类型：String，包括“abr”、“crf”，默认值是crf

◆ NVS_COMPILE_VIDEO_ENCODEC_NAME

#define NVS_COMPILE_VIDEO_ENCODEC_NAME @"video encoder name"

指定视频压缩格式，类型：string，目前支持hevc(h.265)，默认h.264

◆ NVS_COMPILE_VIDEO_FPS

#define NVS_COMPILE_VIDEO_FPS @"fps"

生成的帧速率，类型：NSData，比如设置NvsRational videoFps = {30, 1},[NSData dataWithBytes:&videoFps length:sizeof(NvsRational)] forKey:NVS_COMPILE_VIDEO_FPS]

◆ NVS_RECORD_BITRATE

#define NVS_RECORD_BITRATE @"bitrate"

录制视频码率，类型：int，比如要设置3M码率，则传3000000

◆ NVS_RECORD_GOP_SIZE

#define NVS_RECORD_GOP_SIZE @"gopsize"

录制视频GOP SIZE，类型：int，比如要设置gop size为15，则传15，默认值30

◆ NVS_RECORD_HDR_VIDEO_COLOR_TRANSFER

#define NVS_RECORD_HDR_VIDEO_COLOR_TRANSFER @"encorder color transfer"

设置HDR视频输出的传输曲线，类型: string 默认值:"none", 可以支持"st2084"和"hlg"两种曲线

◆ NVS_RECORD_VIDEO_ENCODEC_NAME

#define NVS_RECORD_VIDEO_ENCODEC_NAME @"video encoder name"

指定视频压缩格式，类型：string，目前支持hevc(h.265)，默认h.264

枚举类型说明

◆ BufferImageRotation

enum BufferImageRotation

输入buffer的图像旋转角度

枚举值
BufferImageRotation_0
BufferImageRotation_90
BufferImageRotation_180
BufferImageRotation_270

◆ NvsAVFileinfoExtraFlag

enum NvsAVFileinfoExtraFlag

获取音视频信息时的特殊标识

枚举值
NvsAVFileinfoExtra_None	默认值
NvsAVFileinfoExtra_AVPixelFormat	获取AVPixelFormat

◆ NvsCameraFlashMode

enum NvsCameraFlashMode

闪光灯模式

枚举值
NvsCameraFlashMode_FlashOff	关闭拍照闪光灯
NvsCameraFlashMode_FlashOn	开启拍照闪光灯
NvsCameraFlashMode_FlashAuto	开启拍照闪光灯自动模式
NvsCameraFlashMode_Torch	开启补光灯

◆ NvsClearCacheFlag

enum NvsClearCacheFlag

清理缓存标志

枚举值
NvsClearCacheFlag_StreamingEngine	流媒体引擎的缓存
NvsClearCacheFlag_IconEngine	缩略图的缓存
NvsClearCacheFlag_WaveformEngine	音频波形的缓存
NvsClearCacheFlag_AVFileInfo	视音频文件信息的缓存
NvsClearCacheFlag_CaptionFontInfo	字幕字体信息的缓存

◆ NvsCompileVideoBitrateGrade

enum NvsCompileVideoBitrateGrade

生成视频文件的码率级别

枚举值
NvsCompileBitrateGradeLow	低码率
NvsCompileBitrateGradeMedium	中等码率
NvsCompileBitrateGradeHigh	高码率

◆ NvsCompileVideoResolutionGrade

enum NvsCompileVideoResolutionGrade

生成视频文件的分辨率高度级别(创建时间线(createTimeline)时指定视频的宽高和横纵比，根据输出的视频分辨率高度算出生成视频文件的宽度)

枚举值
NvsCompileVideoResolutionGrade360	输出高度360像素
NvsCompileVideoResolutionGrade480	输出高度480像素
NvsCompileVideoResolutionGrade720	输出高度720像素
NvsCompileVideoResolutionGrade1080	输出高度1080像素
NvsCompileVideoResolutionGrade2160	输出高度2160像素
NvsCompileVideoResolutionGradeCustom	自定义生成视频高度，须和setCustomCompileVideoHeight配合使用

◆ NvsCreateTimelineTypeFlag

enum NvsCreateTimelineTypeFlag

创建时间线标志

枚举值
NvsCreateTimelineType_LongestDurationConsiderAllTracks	由所有音视频轨的最大时长决定时间线长度
NvsCreateTimelineType_SyncAudioVideoTransOnVideoTrack	同步处理在视频轨道上的视频和音频转场
NvsCreateTimelineType_UseMipmap	使用mipmap抗锯齿
NvsCreateTimelineType_VariantImageSize	加载图片时自动适配timeline分辨率
NvsCreateTimelineType_DontAddDefaultVideoTransition	不添加默认视频转场
NvsCreateTImelineType_Orphan	孤儿时间线，销毁父亲时间线的同时销毁该时间线

◆ NvsDebugLevel

enum NvsDebugLevel

枚举值
NvsDebugLevelNone
NvsDebugLevelError
NvsDebugLevelWarning
NvsDebugLevelDebug
NvsDebugLevelMax

◆ NvsHDRCapabilityFlag

enum NvsHDRCapabilityFlag

枚举值
NvsHDRCapabilityFlagSupportedByImporter	支持导入HDR视频
NvsHDRCapabilityFlagSupportedByEditing	编辑支持HDR
NvsHDRCapabilityFlagSupportedByExporter	支持导出HDR视频
NvsHDRCapabilityFlagSupportedByLivewindow	预览窗口支持HDR

◆ NvsHumanDetectionDataTypeFlag

enum NvsHumanDetectionDataTypeFlag

人体检测数据包类型

枚举值
NvsHumanDetectionDataType_FakeFace
NvsHumanDetectionDataType_Makeup
NvsHumanDetectionDataType_SkinColor
NvsHumanDetectionDataType_PE106
NvsHumanDetectionDataType_PE240
NvsHumanDetectionDataType_CustomAvatar
NvsHumanDetectionDataType_Makeup2

◆ NvsHumanDetectionFeatureFlag

enum NvsHumanDetectionFeatureFlag

人体检测特征标志

枚举值
NvsHumanDetectionFeature_FaceLandmark
NvsHumanDetectionFeature_FaceAction
NvsHumanDetectionFeature_AvatarExpression
NvsHumanDetectionFeature_VideoMode
NvsHumanDetectionFeature_ImageMode
NvsHumanDetectionFeature_MultiThread
NvsHumanDetectionFeature_SingleThread
NvsHumanDetectionFeature_Extra
NvsHumanDetectionFeature_Background
NvsHumanDetectionFeature_HandLandmark
NvsHumanDetectionFeature_HandAction
NvsHumanDetectionFeature_HandBone
NvsHumanDetectionFeature_EyeballLandmark
NvsHumanDetectionFeature_MultiDetect
NvsHumanDetectionFeature_SegmentationSky
NvsHumanDetectionFeature_SemiImageMode
NvsHumanDetectionFeature_HalfBody

◆ NvsStreamingContextFlag

enum NvsStreamingContextFlag

流媒体上下文创建标志

枚举值
NvsStreamingContextFlag_Support4KEdit	支持4K视频编辑
NvsStreamingContextFlag_Support8KEdit	支持8K编辑(仅图片)
NvsStreamingContextFlag_AsyncEngineState	引擎状态切换使用异步方式以便减少主线程的卡顿
NvsStreamingContextFlag_Support16KEdit	支持16K编辑(仅图片)
NvsStreamingContextFlag_EnableCaptionContextCacheLimit	开启最大字幕缓存限制
NvsStreamingContextFlag_DisableCapture	采集设备不可用
NvsStreamingContextFlag_PlaybackDropFrameMode	播放时间线的时候启用丢帧模式
NvsStreamingContextFlag_NeedGifMotion	播放时间线的时候需要GIF运动
NvsStreamingContextFlag_DisableHardwareAudioReader	禁用Mac系统中的硬件音频读取
NvsStreamingContextFlag_InterruptStopForInternalStop	使用中断式的Stop在所有内部使用的Stop操作，比如seek状态到playback状态中间的Stop
NvsStreamingContextFlag_UseFixedDefaultCaptionContextResolution	创建的默认样式字幕的描述文件分辨率固定为1280X720(16v9)

◆ NvsStreamingEngineCaptureFlag

enum NvsStreamingEngineCaptureFlag

采集标志

枚举值
NvsStreamingEngineCaptureFlag_GrabCapturedVideoFrame	获取采集视频的帧内容（打开这个标志会降低性能，只有在必要的时候开启这个标志）
NvsStreamingEngineCaptureFlag_StrictPreviewVideoSize	限定预览视频尺寸只能是系统自带的预览视频尺寸
NvsStreamingEngineCaptureFlag_DontCaptureAudio	不采集音频
NvsStreamingEngineCaptureFlag_CaptureBuddyHostVideoFrame	采集伴侣视频帧
NvsStreamingEngineCaptureFlag_IgnoreScreenOrientation	不使用屏幕方向来确定采集画面的旋转角度自从 1.15.2
NvsStreamingEngineCaptureFlag_AutoVideoStabilization	启用视频防抖动自从 1.16.1
NvsStreamingEngineCaptureFlag_FaceActionWithParticle	使用脸部动作控制粒子特效自从 2.1.0
NvsStreamingEngineCaptureFlag_LowPipelineSize	降低引擎在采集时内部的流水线尺寸
NvsStreamingEngineCaptureFlag_DontAutomaticallyConfiguresApplicationAudioSession	不使用自动配置AudioSession 自从 2.12.0
NvsStreamingEngineCaptureFlag_DisableFlipOfFrontCamera	禁止在前置摄像头上翻转画面
NvsStreamingEngineCaptureFlag_InputAspectRatioUsed	采集预览画面横纵比使用用户输入进行设置，如果Camera不支持当前的横纵比，找到最接近设置
NvsStreamingEngineCaptureFlag_EnableTakePicture	采集预览画面横纵比使用用户输入进行设置，如果Camera不支持当前的横纵比，找到最接近设置
NvsStreamingEngineCaptureFlag_EnableHDR	如果设备支持开启HDR视频
NvsStreamingEngineCaptureFlag_DontConfigAudioSession	采用该flag 外界必须自己负责实现满足播放录制模式下录音需求的AudioSession，以满足sdk 正常功能需求, sdk 不再负责AudioSession 的配置

◆ NvsStreamingEngineCompileErrorType

enum NvsStreamingEngineCompileErrorType

枚举值
NvsStreamingEngineCompileErrorType_No_Error
NvsStreamingEngineCompileErrorType_Cancelation
NvsStreamingEngineCompileErrorType_Video_Encoder_Setup_Error
NvsStreamingEngineCompileErrorType_Video_Encoding_Error
NvsStreamingEngineCompileErrorType_Video_Decoding_Error
NvsStreamingEngineCompileErrorType_Muxing_Error

◆ NvsStreamingEngineCompileFlag

enum NvsStreamingEngineCompileFlag

生成视频文件标志

枚举值
NvsStreamingEngineCompileFlag_None	没有任何特殊标识
NvsStreamingEngineCompileFlag_DisableHardwareEncoder	禁用硬件编码器
NvsStreamingEngineCompileFlag_OnlyVideo	仅生产只有视频流的文件
NvsStreamingEngineCompileFlag_OnlyAudio	仅生产只有音频流的文件
NvsStreamingEngineCompileFlag_BuddyHostVideoFrame	伴侣视频帧
NvsStreamingEngineCompileFlag_TruncateAudioStream	截断音频流保证不超过视频的长度
NvsStreamingEngineCompileFlag_DisableAlignVideoSize	禁用对输出的宽高做对齐操作
NvsStreamingEngineCompileFlag_IgnoreTimelineVideoSize	输出的视频分辨率可超过timeline的分辨率大小
NvsStreamingEngineCompileFlag_BuddyOriginHostVideoFrame	解码后伴侣视频帧
NvsStreamingEngineCompileFlag_VariableFrameRateEnable	开启变帧率导出

◆ NvsStreamingEngineHarwareErrorType

enum NvsStreamingEngineHarwareErrorType

硬件错误类型

枚举值
NvsStreamingEngineHarwareErrorType_Video_Encoder_Setup_Error
NvsStreamingEngineHarwareErrorType_Video_Encoding_Error
NvsStreamingEngineHarwareErrorType_Video_Decoder_Setup_Error
NvsStreamingEngineHarwareErrorType_Video_Decoding_Error

◆ NvsStreamingEnginePlaybackExceptionType

enum NvsStreamingEnginePlaybackExceptionType

枚举值
NvsStreamingEnginePlaybackExceptionType_MediaFileError

◆ NvsStreamingEnginePlaybackFlag

enum NvsStreamingEnginePlaybackFlag

引擎播放标志

枚举值
NvsStreamingEnginePlaybackFlag_LowPipelineSize	降低引擎在播放时内部的流水线尺寸
NvsStreamingEnginePlaybackFlag_DisableFixedPrerollTime	降低引擎在播放时首帧的播出延迟
NvsStreamingEnginePlaybackFlag_BuddyHostVideoFrame	伴侣视频帧
NvsStreamingEnginePlaybackFlag_AutoCacheAllCafFrames	自动缓存所有的CAF帧
NvsStreamingEnginePlaybackFlag_SpeedCompMode	速度补偿模式
NvsStreamingEnginePlaybackFlag_BuddyOriginHostVideoFrame	解码后伴侣视频帧
NvsStreamingEnginePlaybackFlag_VariableFrameRateEnable	开启变帧率播放，播放的帧率会随着视频帧率变化。
NvsStreamingEnginePlaybackFlag_DisableDropFrameMode	禁用丢帧模式进行播放，如果不添加这个flags，SDK是会保证音频播放连续，如果视频渲染复杂等等引起的不实时，会使用丢帧的方式保证视音频同步。

◆ NvsStreamingEngineRecordingFlag

enum NvsStreamingEngineRecordingFlag

录制标志

枚举值
NvsStreamingEngineRecordingFlag_VideoIntraFrameOnly	录制仅包含I-Frame的视频文件
NvsStreamingEngineRecordingFlag_OnlyRecordVideo	仅录制视频流
NvsStreamingEngineRecordingFlag_IgnoreVideoRotation	录制时不根据设备的手持方向对视频做旋转。注意：必须用startRecordingWithFx进行录制才有效果
NvsStreamingEngineRecordingFlag_WithoutFxUseStreamingWriter	使用StreamingWirter进行不带特效录制。注意：必须用startRecording进行录制才有效果
NvsStreamingEngineRecordingFlag_FlipHorizontally	镜像输入视频帧

◆ NvsStreamingEngineSeekFlag

enum NvsStreamingEngineSeekFlag

引擎定位标识

枚举值
NvsStreamingEngineSeekFlag_ShowCaptionPoster	整体展示字幕效果
NvsStreamingEngineSeekFlag_ShowAnimatedStickerPoster	整体展示动画贴纸效果
NvsStreamingEngineSeekFlag_BuddyHostVideoFrame	伴侣视频帧
NvsStreamingEngineSeekFlag_NotConnectToLivewindow	不连接livewindow也可以做seek操作
NvsStreamingEngineSeekFlag_BuddyOriginHostVideoFrame	解码后伴侣视频帧

◆ NvsStreamingEngineState

enum NvsStreamingEngineState

流媒体引擎状态

枚举值
NvsStreamingEngineState_Stopped	引擎停止
NvsStreamingEngineState_CapturePreview	采集预览
NvsStreamingEngineState_CaptureRecording	采集录制
NvsStreamingEngineState_Playback	播放
NvsStreamingEngineState_Seeking	定位
NvsStreamingEngineState_Compile	生成

◆ NvsStreamingEngineStopFlag

enum NvsStreamingEngineStopFlag

停止引擎标志

枚举值
NvsStreamingEngineStopFlag_Async	异步停止引擎，避免阻塞主线程

◆ NvsVideoCaptureResolutionGrade

enum NvsVideoCaptureResolutionGrade

视频采集分辨率级别

枚举值
NvsVideoCaptureResolutionGradeLow	低分辨率
NvsVideoCaptureResolutionGradeMedium	中等分辨率
NvsVideoCaptureResolutionGradeHigh	高分辨率
NvsVideoCaptureResolutionGradeSupperHigh	超高分辨率
NvsVideoCaptureResolutionGradeExtremelyHigh	极高分辨率

◆ NvsVideoPreviewSizeMode

enum NvsVideoPreviewSizeMode

视频预览模式

枚举值
NvsVideoPreviewSizeModeFullSize	全屏预览
NvsVideoPreviewSizeModeLiveWindowSize	liveWindow预览

◆ VideoStabilizationFlag

enum VideoStabilizationFlag

防抖动标志

枚举值
VideoStabilizationFlag_Off	视频防抖动模式关闭
VideoStabilizationFlag_Auto	视频防抖自动模式
VideoStabilizationFlag_Standard	视频防抖自动模式
VideoStabilizationFlag_Super	视频防抖电影模式